A Study of Pre-Weaning Death Losses in Lambs

Abstract

Mortality data to 120 days of age are reported for 4,231 lambs from purebred Hampshire, Rambouillet, Shropshire, and Southdown flocks maintained at the University of Illinois from 1921 to 1957 inclusive. Losses of single lambs were 15% compared with 23% of twins. Hampshires showed an average death loss of 23%; Rambouillets, 15%; Shropshires, 17%; and, Southdowns, 21%. Copyright © . .